Abstract
The pyrano[3,4-b]pyrrol-5(1H)-ones (4) are stable cyclic analogues of 2,3-dimethylenepyrrole, and undergo Diels–Alder reaction with a range of acetylenes, or acetylene equivalents, to give, after loss of carbon dioxide, indoles.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
